{
  "checker": {
    "details": {
      "argv": [
        "./cure",
        "check",
        "/tmp/cure-smoke/src/hello.cure"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "",
      "stdout": "/tmp/cure-smoke/src/hello.cure: OK",
      "working": true
    },
    "status": "PASS"
  },
  "main_blocker": null,
  "operation": "Build the Cure compiler from source (README 'Building': mix deps.get, mix compile) and run the documented compile/check operation (README 'Usage' / 'cure compile') on a small module, then run it to confirm output (double(21)=42).",
  "operation_scope": "Covers install, build, and single-file check/compile of one Cure module. Does not run mix test or lint/quality suites (out of scope per task). Requires Erlang/OTP 29 and Elixir >= 1.18 (CI uses 1.20/OTP 29); Ubuntu apt Elixir 1.14 is too old and was replaced with prebuilt builds from builds.hex.pm. No browser or credentials needed.",
  "outcome": "working",
  "steps": [
    "apt-get install erlang-base erlang-dev elixir git make gcc unzip (yielded Elixir 1.14/OTP 24, insufficient)",
    "Downloaded OTP-29.1.2 and Elixir v1.20.4-otp-29 from builds.hex.pm; installed to /opt/otp29 and /opt/elixir",
    "mix local.hex --force; mix local.rebar --force",
    "mix deps.get",
    "mix compile (80 modules; escript 'cure' built at /workspace/cure)",
    "./cure --help; ./cure check /tmp/cure-smoke/src/hello.cure; ./cure compile /tmp/cure-smoke/src/hello.cure; erl eval Cure.Hello.double(21)"
  ],
  "stuck_step": null,
  "suggested_fix": null
}